(g) The term port of entry means a port or place designated by the Commissioner at which a person may apply for admission into the United States.

(h) The term remitter means an air or sea carrier, travel agent, tour wholesaler, or other entity which collects, including receipt of fees collected by collectors which are not required to remit fees, and remits fees pursuant to this part.

(j) The term document for transportation means any document accepted by a carrier in return for transportation.

(k)United States, when used in a geographical sense, means the continental United States, Alaska, Hawaii, Puerto Rico, Guam, the Virgin Islands of the United States, and the Commonwealth of the Northern Mariana Islands.